dora

Fabric + Mesh on AWS — LakeFormation, DataZone, and one governance plane

The DataEng pillar named the compositional choice but left the code unwalked. Here it is in Terraform: central governance account, per-domain producer accounts, LF-tag-based grants, DataZone publishing in two layers — plus the trap of running two catalog planes over the same data, and three DACH compliance checkpoints hit on the way.